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Craig got in touch quickly, gave me a rough estimate over the phone and answered all my questions. Surveyor arrived on time, gave instant quote. Price was good. Michael and (another) Craig turned up to do the job on the day, time given. Good, tidy job. Can't fault anything, from start to finish!! Would recommend!
Mary
George and his team are experienced builders, replaced my front door with a custom frame/sidelights and raising the floor level in the hallway quite quickly - in fact, they were the only who came next day, gave a quote straightaway and were ready to start in just couple of days. They also had all the necessary tools and materials, were ready to buy something additional quickly on the day - if further adjustments were required to fit everything as I asked. Thanks a lot for your help, guys!
Dmitry
Highly recommend. These guys did a fantastic job of constructing our pergola and decking. Very hardworking and reliable. The job was completed in the time frame agreed and to a very high standard. We would 100% use them again.
Holly
Explore hundreds of cavity wall insulation specialists on Rated People, ready to improve the energy efficiency and comfort of your home or business. Whether you’re considering a new insulation installation to lower your heating bills or extracting old, damp insulation to protect your property, our platform helps you connect with professional local companies who can deliver top-quality workmanship. If you’re a cavity wall insulation specialist, discover how joining Rated People can help you connect with clients and grow your business.
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What can a cavity wall insulation specialist help with?
Avoid stress and costly damp repairs down the line by hiring a skilled cavity wall insulation specialist to help you out. Look out for insulation installers that:
- Are a skilled company with a strong history of high-quality energy efficiency installations.
- Have all the licenses and insurance needed to protect your property and their workers.
- Have a good range of positive reviews from previous customers vouching for their reliability.
- Are offering the exact insulation material you need, and are available to carry out the work in the timeframe you need it by.
- Are quoting a price and payment option that you are happy with, having compared the insulation quote with other local companies.
A local cavity wall insulation specialist is more likely to respond quickly as they’ll be right around the corner and ready to assess your home.
Post a job today to find a skilled insulation installer in your local area.
How much does it cost to hire an insulation company?
How much you end up spending on cavity wall insulation will depend entirely on the size of your home and the material you select. The most common insulation materials include budget-friendly mineral wool, expanded polystyrene (EPS) beads, and high-performance polyurethane foam. The overall size of your property, ease of access, and where you live in the UK will also have an impact on costs.
The average cost of a cavity wall installation typically ranges between £1,200 for a mid-terrace home and £3,000 to £5,000 for a large detached house.
For more accurate information on energy-saving budgets, read our cavity wall insulation cost guide, or post a job today to request a free quote from a local insulation specialist.
Factors to consider when choosing a cavity wall insulation specialist
A well-insulated home can entirely transform your living environment, turning it into a cosy, warm space while significantly reducing your winter heating bills. What's more, proper insulation eliminates the stress of rapid heat loss and can add an average of over £11,000 to your property's value by boosting its energy efficiency rating. Investing in cavity wall insulation can also lower your household's carbon footprint and make the property highly appealing to future, eco-conscious buyers.
A cavity wall insulation specialist can help you with:
- Conducting a pre-installation camera survey to check if your cavities are suitable and free of debris.
- Injecting high-quality materials (mineral wool, polystyrene beads, or foam) into the external walls.
- Extracting old, failed, or damp insulation that is causing internal condensation issues.
- Patching and drilling access holes with color-matched mortar to leave a virtually invisible finish.
Insulation specialists don’t just fill walls with foam. They carefully calculate your home’s ventilation needs to prevent dampness, check the structural integrity of your wall ties before starting, and ensure that airflow to existing brick vents or subfloor voids remains entirely unblocked.
Looking after your home's thermal barrier is incredibly important, as poorly installed or degraded insulation can trap moisture against your internal walls, leading to expensive structural damp and mold remediation. If your property is feeling drafty or costing a fortune to heat, an expert can get your insulation back into perfect shape.
Whether you want to install new energy-saving beads or need old, compromised insulation professionally extracted, speak to a specialist today to receive a free quote.
Other insulation FAQs
How long does it take to install cavity wall insulation?
For an average-sized semi-detached UK home, a professional cavity wall insulation installation is surprisingly quick and usually takes between 2 to 5 hours to complete. The installers perform the work entirely from the outside of your property, meaning there is zero disruption to your interior living spaces while they work.
What are the building regulations for cavity wall insulation?
All cavity wall insulation projects in the UK require a building notice to be submitted to a local building control body. A qualified installer will handle this for you, ensuring the chosen material meets the required structural 'U-value' (thermal transmittance standard) to fully comply with current UK building regulations.
How do I prepare for a cavity wall insulation installation?
To prepare for the installer’s visit, clear any vehicles or obstructions from your driveway to grant them easy access to the external walls, move garden furniture away from the house, and ensure any internal areas near the walls are clear so the team can occasionally check interior vents during the drilling process.
Roofing Care Ltd
Cavity Wall Insulation
We are experienced contractors with numerous years under our belts. We work to high standards to ensure that the job is completed to a level that is expected. We are fully qualified to give you piece of mind that you are getting the best talent in for the job. We care about our customers and therefore maintain good communication throughout all of our work. We are also friendly and approachable which means that your job is easy from start to finish. ?We are a long-established roofing company with many years experience behind us, who are very well qualified to carry out a high standard of work on flat and pitched roofs.
A. Gallagher & Son provide services across North and Mid Wales and the North West. We employ only local specialist tradesmen for slating, tiling, flat roofing, lead work, fascia and gutters and solar PV. We are able to take on works of any size to the most complex designs and specifications. Our Roofing Services Include: New Roofs Roofing repairs Re roofing Slate and materials Solar panels Other general building Get FREE quotes and friendly service. Members of National Federation of Roofing Contractors Velux approved installers We believe high quality standards of work is an essential key in the companies growth and development.
They ruined my kitchen cut holes where there didn't have to be holes I'm disabled and stuck ìn bed They left me with no water or electricity an noway to cook for a week in this heat I've had to buy new cupboards an pay à plumber electrician an joiner as well to fix there mess if I could give them no star I would
Fifteen years experience providing excellence in all interior and exterior home improvements, from first brick to final paint stroke. specialising in carpentry, kitchens, extensions and garage conversions.
Excellent service from Luke. Arrived when promised to quote, understood the work and kept me informed all the way through the process and answered questions quickly when needed, suggesting alternatives based on experience. The work has been completed to a high standard and will use him again for other jobs and recommend him to others without hesitation.
We design, manufacture and install uPVC windows, doors and conservatories in Huddersfield and across West Yorkshire.
Competitive price and job done very quickly. Would definitely use them again.
We are a local company providing honest service with quality and very competitive prices. Conversions extensions bathrooms and kitchens are our main line of work with all experienced trades on board to see the job through from start to finish.
If you want your project to be professionally done with the minimum of fuss and input. With clear and constructive ideas from Luke about what the best solution is to maximise the space and make the building flow as it should then PG Developments are the team for you. Exceeded our expectations.
Teak interiors Ltd are a homegrown company who pride ourselves in being an approachable contractor across the board. With 17 years experience in construction we have covered pretty much every element of building works across both the commercial & domestic markets. Communication is our strong point and we also pride ourselves with quality of work we deliver.
Ryan and his staff were very professional and finished the job within the estimated time. Competitive price and great quality in the works that he had to do in my bathroom. Would definitely recommend Ryan!!
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If you are looking for professional and personable team of builders, we offer great value and excellent customer service as standard. We pride ourselves on our exceptionally high standards and never walk away from a job until you are 100% satisfied.
From the first contact throughout, Dobson's have been friendly, professional and a pleasure to deal with. The family run team are excellent at all aspects of the job from the ground up and the standard of work and attention to detail is second to none. Any issue was dealt with quickly. The job is a great success and I would have no problem recommending this firm to anyone.
hi my names nicki i'm a multi-skilled tradesman with 17 years experience. I have worked along side a number of highly skill and multi talented tradesmen like myself. I offer a wide range of services. Thanks for talking the time to reading this ad.
Family run buisness 35 years experience in all aspects of the building trade. Friendly and reliable service.
Malcolm was prompt and helpful, giving us advice when asked and buying fixtures to match our existing ones. He did a fantastic job and we are so pleased with the end result! He is a lovely chap with a good sense of humour which also put us at ease with having the work done. We will be making sure we use him in the future and will recommend him to our friends.
Well established family run building company based in London,we have built a strong relationships with well known building societies across the London due to our quality and trustworthy service High quality levels of work in major building projects,we specialise in planning and design,project management and general building services
PG Build
Cavity Wall Insulation
PG Build offers a diverse array of specialist building services designed to enhance your educational, commercial, or residential projects. Our offerings range from bespoke Playground Specialist Services and comprehensive Renovations & Remodelling to cutting-edge CCTV & Networking solutions, ensuring exceptional quality in every facet. Our expertise also includes Resin Bound Paving, Play Equipment Installation, and innovative Custom Projects. Additionally, we are proficient in Wet Pour Safety Surfacing, Landscaping, Automated Access Solutions, and reliable Maintenance Services. For those seeking distinctive solutions, explore our Custom Container Buildings. Choose PG Build for a partnership dedicated to realising your vision with unmatched precision and excellence.
GLS Carpentry
Cavity Wall Insulation
GLS Carpentry is a professional and efficient Carpentry and construction company based in Portsmouth, Hamspshire. Director George Simmonds is a hands on owner striving to lead his team to produce high quality craftsmanship on all project he oversees. With over 10 years experience in the building trade, George prides himself and his company on a strong work ethic and care about every quality and detail of his work which resinates to each member of the team
I have been running my own business for 29 yrs, have experience in all types of general building,attended collage as a bricklayer, and hold a city and guilds certificate, i have worked on both large and small construction sites over the years I carry out a wide range of building work and roofing. Insurance work etc
Ian came quickly to give us a quote. The quote was excellent and he came to do the work within days. Couldn't ask for better especially in these trying times! We were very pleased with the painting and he even painted an extra fence which wasn't quoted for. Highly recommend this tradesman!! He was friendly and respectful.
Elite Rentals
Cavity Wall Insulation
After running a successful construction company with a number of staff and vans it's now time to wind down. I'm now working with one other tradesman, the two of us together and over 50 years experience between us we will provide you with a first class service and standard of work to match. We can carry out every aspect within the process of building an extension and not just the complete build.
DNR Maintenance
Cavity Wall Insulation
We are an established building company, which specialises in extensions, refurbishments of kitchens and bathrooms. Decorating, waste disposal and gardening maintenance.
Taylors Building Contractors is your go-to solution for comprehensive property maintenance services. From routine upkeep to emergency repairs, here to ensure your space remains in optimal condition. With a focus on quality, reliability, and customer satisfaction, we take the hassle out of property care.we cover all traditional trades to plastering, carpentry, plumbing, and general building maintenance. Roofing, Brickwork,Fully insured, Credit & Debit cards excepted.
Steve and team did a fantastic job, fixing a few issues in the house for my tenant. Really good service and communication, and will ask him to do jobs in the future.
Redefined Construction & Landscapes
Cavity Wall Insulation
Redefine Construction & Landscapes is a trusted construction and landscaping company dedicated to delivering high-quality workmanship and exceptional service. We specialize in house renovations, home improvements, extensions, kitchens, bathrooms and flooring. We also complete garden transformations. I.e. paving, decking, fencing and garden- rooms. Whether you're modernising your home, renovating a single room, or transforming your outdoor space, our skilled team is committed to bringing your vision to life with reliable, professional solutions. We take pride in our attention to detail, quality craftsmanship, and ensuring every project is completed to the highest standard.
We are a small team of specialist trades people dedicated to providing our clients a professional, reliable and trusted service. With over 60 years of collective experience, this gives our clients the opportunity to benefit from the peace of mind that we will always deliver high quality work, on time, every time. We provide the following range of services: tiling, skirting board fitting, laminate flooring installation, repair and renovation of natural timber flooring, decorating and joinery together with general 'day to day' domestic and commercial property maintenance. Henri’s Property Renovations & Maintenance is a trading name of Cenve Limited a company registered in England and Wales
Pm building & landscapers ,with 35 years building experience we cover all aspects of building works to be carried out ,extensions ,conversions ,garages ,porches brickwork .stonework ,retainers and much more ,ins work carried out .
Paul did a lovely job rebuilding the wall which had collapsed, all work neat and tidy, cleaned up after he finished and set aside all the spare stone for future projects, would recommend.
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